Re: [wildfly-dev] ConcurrentAccessTimeoutException using producer in stateful bean
Hi Arjan,
Can you please share some reproducer app? It would be helpful.
Thanks
Tom
----- Original Message -----
From: "arjan tijms" <arjan.tijms(a)gmail.com>
To: "WildFly Dev" <wildfly-dev(a)lists.jboss.org>
Sent: Tuesday, August 16, 2016 1:12:22 PM
Subject: [wildfly-dev] ConcurrentAccessTimeoutException using producer in stateful bean
Hi,
I came across a situation where a ConcurrentAccessTimeoutException is thrown on WildFly
10.0.0 and 10.1cr1 when an @Stateful @ViewScoped bean contains a CDI producer.
In short, there are 3 beans all @Stateful @ViewScoped. Beans 1 and 2 are injected in bean
3.
Bean 1 contains a CDI producer.
Bean 2 is injected with a type from said producer.
The following causes a ConcurrentAccessTimeoutException to be thrown:
bean3.somemethod:
tx start
access stateful bean 1
access stateful bean 2
(from statefull bean 2): access injected type that causes producer from bean 1 to be
called
tx end
If the call to stateful bean 1 is omitted, the producer is called normally when bean 2
accesses the injected type.
If bean 2 is injected directly with bean 1, then bean 1 can be accessed without any
ConcurrentAccessTimeoutException being thrown.
The code runs fine on WildFly 8.2.
I'll do some further digging, but wonder if this problem rings any bells. Could it be
that CDI obtains a reference to the stateful bean in such a way that the implicit EJB
interceptor doesn't see it's still within the same TX? But since there's no
call to bean 1 in progress at that point, should this even matter?
Kind regards,
Arjan Tijms
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